Energy absorption and barrier device for automotive vehicles and method for making the same

摘要

An energy and absorption and barrier device for automotive vehicles and a method manufacture thereof. The device includes a plurality of metal strips in stacked relation having sinusoidal shapes and devices for securing the ends of the strips together. The method involves forming the strips in dies having adjustable stroke lengths so as to successively form corrugations in the strip in sequence from the center to the outer ends of the strip.